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25 
26 package jdk.jfr.event.compiler;
27 
28 import java.util.List;
29 
30 import jdk.jfr.Recording;
31 import jdk.jfr.consumer.RecordedEvent;
32 import jdk.test.lib.Asserts;
33 import jdk.test.lib.jfr.EventNames;
34 import jdk.test.lib.jfr.Events;
35 import sun.hotspot.WhiteBox;
36 
37 /**
38  * @test TestCodeCacheConfig
39  * @key jfr
40  * @requires vm.hasJFR
41  * @library /test/lib
42  * @build sun.hotspot.WhiteBox
43  * @run driver ClassFileInstaller sun.hotspot.WhiteBox
44  * @run main/othervm -Xbootclasspath/a:.
45  *     -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI
46  *     -XX:+SegmentedCodeCache jdk.jfr.event.compiler.TestCodeCacheConfig
47  * @run main/othervm -Xbootclasspath/a:.
48  *     -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI
49  *     -XX:-SegmentedCodeCache jdk.jfr.event.compiler.TestCodeCacheConfig
50  * @summary check "Code Cache Configuration" jfr event
51  */
52 public class TestCodeCacheConfig {
53     private final static String EVENT_NAME = EventNames.CodeCacheConfiguration;
54 
55     private static final long CodeCacheExpectedSize = WhiteBox.getWhiteBox().getUintxVMFlag("ReservedCodeCacheSize");
56 
main(String[] args)57     public static void main(String[] args) throws Exception {
58         Recording recording = new Recording();
59         recording.enable(EVENT_NAME);
60         recording.start();
61         recording.stop();
62 
63         List<RecordedEvent> events = Events.fromRecording(recording);
64         Events.hasEvents(events);
65         RecordedEvent event = events.get(0);
66         long initialSize = (long) event.getValue("initialSize");
67         long reservedSize = (long) event.getValue("reservedSize");
68         long nonNMethodSize = (long) event.getValue("nonNMethodSize");
69         long profiledSize = (long) event.getValue("profiledSize");
70         long nonProfiledSize = (long) event.getValue("nonProfiledSize");
71         long expansionSize = (long) event.getValue("expansionSize");
72         long minBlockLength = (long) event.getValue("minBlockLength");
73         long startAddress = (long) event.getValue("startAddress");
74         long reservedTopAddress = (long) event.getValue("reservedTopAddress");
75 
76         Asserts.assertGT(initialSize, 1024L,
77             "initialSize less than 1024 byte, got " + initialSize);
78 
79         Asserts.assertEQ(reservedSize, CodeCacheExpectedSize,
80             String.format("Unexpected reservedSize value. Expected %d but " + "got %d", CodeCacheExpectedSize, reservedSize));
81 
82         Asserts.assertLTE(nonNMethodSize, CodeCacheExpectedSize,
83             String.format("Unexpected nonNMethodSize value. Expected <= %d but " + "got %d", CodeCacheExpectedSize, nonNMethodSize));
84 
85         Asserts.assertLTE(profiledSize, CodeCacheExpectedSize,
86             String.format("Unexpected profiledSize value. Expected <= %d but " + "got %d", CodeCacheExpectedSize, profiledSize));
87 
88         Asserts.assertLTE(nonProfiledSize, CodeCacheExpectedSize,
89             String.format("Unexpected nonProfiledSize value. Expected <= %d but " + "got %d", CodeCacheExpectedSize, nonProfiledSize));
90 
91         Asserts.assertGTE(expansionSize, 1024L,
92             "expansionSize less than 1024 " + "bytes, got " + expansionSize);
93 
94         Asserts.assertGTE(minBlockLength, 1L,
95             "minBlockLength less than 1 byte, got " + minBlockLength);
96 
97         Asserts.assertNE(startAddress, 0L,
98             "startAddress null");
99 
100         Asserts.assertNE(reservedTopAddress, 0L,
101             "codeCacheReservedTopAddr null");
102     }
103 }
104